Alejandro Dominguez Martinez - Resumen Desarrollador de Software

Data Architect (PostgreSQL Specialist) - CIGE Development Center, University of Computer Sciences, Havana (July 2025 – Present) Architected and optimized PostgreSQL database solutions for enterprise-level applications Designed data models and schemas for iTTow Platform and Modern Mechanic Platform projects Implemented .NET backend integration for enterprise data management and business intelligence Developed data migration strategies and ETL processes for complex data transformations Optimized database performance through indexing strategies, query optimization, and partitioning Established database security protocols and access control policies Created data warehousing solutions for analytics and reporting requirements Backend Developer - Medialtyc Software Development Company, Havana, Cuba (January 2024 – July 2025) Developed robust backend systems and RESTful APIs for enterprise applications Implemented microservices architecture using modern backend frameworks Designed and optimized database schemas for high-performance data operations Integrated third-party services and APIs for extended functionality Implemented authentication and authorization systems with role-based access control Collaborated with frontend teams to ensure seamless API integration Participated in code reviews and maintained high code quality standards Software Developer - University of Computer Sciences, Havana (2021 – Present) Blockchain & Web3 Development: Architected and developed decentralized applications (dApps) integrating blockchain technology across Ethereum, Polygon, and Solana networks using Solidity and Rust smart contracts Designed and implemented smart contract solutions for decentralized finance (DeFi), NFT platforms, and Web3 authentication systems Mobile Development: Built native iOS applications using Swift, leveraging SwiftUI for modern declarative UI development, Combine framework for reactive programming, and CoreData for local persistence Implemented advanced features including biometric authentication (Face ID/Touch ID), push notifications via APNs, and integration with native iOS frameworks (CoreLocation, AVFoundation, HealthKit) Developed native Android applications using Kotlin, utilizing Jetpack Compose for UI development, Coroutines for asynchronous programming, and Room database for local storage Implemented Material Design 3 components, WorkManager for background tasks, and integrated with Android system services (Camera, Location, Sensors) Architected MVVM and Clean Architecture patterns for both iOS and Android platforms, ensuring maintainable and testable codebases Developed cross-platform mobile solutions with React Native and Flutter for rapid deployment across multiple platforms Rental Property Management App (React Native - iOS & Android): Developed comprehensive cross-platform mobile application for rental property management in the US market Implemented features for tracking rental properties, tenant relationships, and landlord operations Built real-time rental payment tracking system with notification alerts for due dates and payment confirmations Integrated Firebase backend services including Firestore for real-time data synchronization, Firebase Authentication, Cloud Storage for document management, and Cloud Functions for serverless backend logic Integrated multiple payment gateways including PayPal and Stripe APIs for secure rent collection and transaction processing Designed tenant and landlord profile management with document storage and lease agreement tracking Implemented payment processing workflows with automated receipts and financial reporting dashboards for property owners Developed secure authentication and role-based access control for tenants, landlords, and property managers using Firebase Auth Built push notification system using Firebase Cloud Messaging (FCM) for rent reminders, maintenance requests, and important updates Created responsive UI/UX optimized for both iOS and Android platforms using React Native best practices Full-Stack Web Development Projects: Modern Mechanic Platform: Developed backend administration panel using Flask with RESTful API architecture Integrated AI capabilities using Anthropic's Claude API for intelligent automation and enhanced user interactions Built frontend administration panel with Next.js and React, implementing server-side rendering for optimal performance Designed responsive UI components and state management solutions for complex admin workflows Dubai Marketplace: Architected and developed full-stack e-commerce marketplace solution Implemented frontend using Vue.js and Nuxt.js for SEO-optimized server-side rendering Built scalable backend with Node.js and Express, handling high-volume transactions and real-time inventory management Designed RESTful APIs for product catalog, user authentication, and payment processing Ittow Platform: Developed robust backend infrastructure using Nest.js with TypeScript Integrated multiple third-party APIs including AI services, weather APIs, and mapping services (Google Maps/Mapbox) Implemented real-time communication using WebSockets for live updates and notifications Built in-app voice/video calling functionality using WebRTC Integrated vehicle APIs for automotive data and services Designed and optimized database schemas with Prisma ORM for efficient data management Marlin Giron Influencer Platform: Developed high-performance landing page and backoffice using Astro for optimal static site generation Built scalable backend with Nest.js and Prisma ORM Implemented content management system for influencer campaign management Optimized for SEO and fast loading times with modern web performance techniques Royal Forge & Montiva Group: Designed and developed modern, responsive landing pages with focus on user experience Implemented pixel-perfect designs with attention to brand identity and conversion optimization Built with modern frontend technologies ensuring cross-browser compatibility and mobile responsiveness

B.Sc. in Computer Science Engineering - University of Computer Sciences (UCI), Havana (2020 – 2024) Graduated with honors

Data Architecture & Backend: Database Systems: PostgreSQL (Advanced), MySQL, SQL Server, MongoDB Backend Frameworks: .NET, Node.js, Nest.js, Express, Flask, Django API Design: REST, GraphQL, WebSockets Data Engineering: ETL processes, data warehousing, query optimization, database performance tuning ORM & Database Tools: Prisma, Entity Framework, TypeORM Blockchain & Web3: Smart Contract Development: Solidity (Ethereum, Polygon), Rust (Solana) Web3 Libraries: Web3.js, Ethers.js, Anchor Framework Blockchain Networks: Ethereum, Polygon, Solana, Base DeFi, NFTs, Decentralized Identity Mobile Development: iOS (Swift): SwiftUI, UIKit, Combine, CoreData, URLSession, Alamofire, Biometric authentication (Face ID/Touch ID), Push notifications (APNs), Native frameworks (CoreLocation, AVFoundation, HealthKit, ARKit), App Store deployment and TestFlight Android (Kotlin): Jetpack Compose, Coroutines, Flow, Room, Retrofit, Material Design 3 components, WorkManager for background processing, Firebase integration (FCM, Analytics, Crashlytics), Google Play Console deployment Architecture Patterns: MVVM, Clean Architecture, Repository Pattern Cross-platform: React Native, Flutter (Dart) IoT & Embedded Systems: Arduino (C++): Firmware development, real-time systems Sensors: Temperature (DHT11/DHT22), humidity, motion (PIR), ultrasonic, accelerometers Actuators: Servo motors, stepper motors, DC motors, relays Communication Protocols: UART, I2C, SPI, Bluetooth (HC-05), WiFi (ESP8266/ESP32) Projects: Home automation, environmental monitoring, robotics, data acquisition systems Frontend & Web Development: Languages: JavaScript, TypeScript, Python, Dart Frameworks: Angular, Vue.js, Nuxt.js, React, Next.js, Astro UI Libraries: Tailwind CSS, Material Design, Bootstrap Cybersecurity: Authentication & Authorization: OAuth, JWT, Web3 wallets, Firebase Auth Encryption protocols and secure data transmission Access control and security architecture Infrastructure & DevOps: Operating Systems: Windows Server, Linux Virtualization: Nova, Docker Version Control: Git, GitHub, GitLab CI/CD pipelines and automated deployment Cloud Services: Firebase (Firestore, Cloud Functions, Cloud Storage, FCM)

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Core Competencies Data Architecture & Database Design: PostgreSQL optimization, data modeling, ETL development Technical Leadership: Architectural decision-making and technical mentoring Blockchain Architecture: Designing decentralized systems and tokenomics Backend Development: Scalable API design, microservices, enterprise integration Full-Stack Development: End-to-end application development across multiple platforms Problem Solving: Complex system debugging and optimization Adaptability: Quick adoption of emerging technologies and frameworks Team Collaboration: Cross-functional team coordination and agile methodologies Communication: Technical documentation and stakeholder presentations